# ESDU5V0H3

**Changjing** · ESD And Surge Protection (TVS/ESD) · SOT-23-6L

ESDU5V0H3 from Changjing, in a SOT-23-6L. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | I/O1 | passive | Protected line 1 (I/O1), internally connected to pin 6; I/O-to-GND reverse standoff 5V max, junction capacitance 0.8pF max. |
| 2 | GND | power_in | Ground reference for the uni-directional ESD diodes; I/O-to-GND clamping is 13V max at IPP=1A and 25V max at IPP=3.5A (8/20µs). |
| 3 | I/O2 | passive | Protected line 2 (I/O2), internally connected to pin 4; I/O-to-I/O capacitance 0.4pF max. |
| 4 | I/O2 | passive | Protected line 2 (I/O2), internally connected to pin 3; IEC 61000-4-2 ±25kV air and contact ESD rating. |
| 5 | VCC | power_in | Positive rail of the steering diodes; VCC-to-GND breakdown is 5V min to 12V max at IT=1mA and leakage is 1µA max at VRWM=5V. |
| 6 | I/O1 | passive | Protected line 1 (I/O1), internally connected to pin 1; peak pulse current 3.5A (8/20µs). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-23-6L |
| Category | Circuit Protection |
| Pins | 6 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| ESD Voltage IEC 61000-4-2 Air Model | VESD(1) | -25 |  | 25 | kV | IEC 61000-4-2 Air Model, ten non-repetitive pulses | 2 |
| ESD Voltage IEC 61000-4-2 Contact Model | VESD(1) | -25 |  | 25 | kV | IEC 61000-4-2 Contact Model, ten non-repetitive pulses | 2 |
| ESD Voltage Per Human Body Model |  | -16 |  | 16 | kV | JESD22-A114-B | 2 |
| ESD Voltage Machine Model |  | -0.4 |  | 0.4 | kV | Machine Model | 2 |
| Peak Pulse Power | PPP(2) |  |  | 90 | W | Non-repetitive 8/20µs exponential decay waveform per IEC61000-4-5 | 2 |
| Peak Pulse Current | IPP(2) |  |  | 3.5 | A | Non-repetitive 8/20µs exponential decay waveform per IEC61000-4-5 | 2 |
| Lead Solder Temperature Maximum | TL |  |  | 260 | ℃ | 10 second duration | 2 |
| Operation Junction and Storage Temperature Range | TJ,Tstg | -55 |  | 150 | ℃ |  | 2 |
| Reverse stand off voltage | VRWM |  |  | 5 | V |  | 3 |
| Breakdown voltage | V(BR) | 6 |  | 10 | V | IT=1mA | 3 |
| Breakdown voltage VCC to GND | V(BR) | 5 |  | 12 | V | IT=1mA VCC to GND | 3 |
| Reverse leakage current | IR |  |  | 1 | μA | VRWM=5V (I/O to GND & VCC to GND) | 3 |
| Forward voltage | VF |  | 0.4 | 1.5 | V | IF=10mA (GND to I/O & GND to VCC) | 3 |
| Clamping voltage | VC |  |  | 13 | V | IPP=1A (I/O to GND & VCC to GND) | 3 |
| Clamping voltage | VC |  |  | 25 | V | IPP=3.5A (I/O to GND & VCC to GND) | 3 |
| Junction capacitance | CJ |  |  | 0.8 | pF | VR=0V,f=1MHz | 3 |
| Junction capacitance I/O to I/O | CJ |  | 0.4 |  | pF | VR=0V,f=1MHz, I/O to I/O | 3 |

## CAD (KiCad official)

- Symbol: `ESDU5V0H3`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6L (KiCad packages3D, STEP)
- 3D model files: `esdu5v0h3-etched.step` / `esdu5v0h3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esdu5v0h3.step` / `esdu5v0h3.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590210084485181440) (6 pp, sha256 `d5e418d1c5e3762b`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/esdu5v0h3-datasheet.pdf)